Article Photos: Calif. fireworks accident injures 39 1/7

In this frame grab from video provided by Zach Reister, authenticated by checking against known locations and events, and consistent with Associated Press reporting, fireworks explode in the air and on the ground during a fireworks show in Simi Valley, Calif., Thursday, July 4, 2013. More than two dozen people were injured when a wood platform holding live fireworks tipped over, sending the pyrotechnics into the crowd at the Fourth of July show, authorities said Friday. (AP Photo/Zach Reister)